here're the details for NYC:

WEDNESDAY, May 18—The Ride of Silence honors those who have been injured or killed while cycling on America's public roadways. This year's New York City participants are encouraged to ride in honor of Brandie Bailey and Noah Budnick, and others who were killed or injured on New York streets.

MEET: 7:00 pm @ Union Square North
ROUTE: Up to Central Park, two loops through Park, down to Battery Park, up to Union Square